ASN Wikibase Occurrence # 190392
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| Date: | Tuesday 27 September 2016 |
| Time: | 15:54 |
| Type: |  Canadian Home Rotors Safari |
| Owner/operator: | Private |
| Registration: | N330JT |
| MSN: | 0474N |
| Year of manufacture: | 2004 |
| Total airframe hrs: | 154 hours |
| Engine model: | Lycoming O-320-B2A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Merrimack County, SE Andover, NH -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Andover, NH |
| Andover, NH | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The noncertificated pilot was flying the helicopter on a local, personal flight. He reported that, during takeoff and while flying between 25 and 30 mph, the helicopter began an uncommanded climb that he could not control with forward cyclic control input. He added that the helicopter then “came to a complete stop.” The helicopter yawed right, its nose dropped, and then the tailboom swung left and descended into trees. The airplane came to rest on its side at the base of a tree. The pilot reported no issues with the cyclic or collective flight controls from the cockpit to the main rotor.
Postaccident examination of the helicopter revealed extensive fire damage; however, there was no evidence of any preimpact mechanical failures or malfunctions that would have precluded normal operation. The failure of a flight control system spring or cable could cause unexpected movement of the collective, but the helicopter's collective system was equipped with two springs and two cables for redundancy. None of these components had failed. Although the springs exhibited evidence of relaxing, it was likely due to the postcrash fire.
Probable Cause: The noncertificated pilot’s failure to maintain helicopter control during initial climb.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=330JT
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Sep-2016 03:49 | Geno | Added |
| 06-Jul-2019 19:35 | ASN Update Bot | Updated [Time, Nature, Departure airport, Destination airport, Source, Narrative, Accident report, ] |
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